/*
 * jQuery hashchange event - v1.3 - 7/21/2010
 * http://benalman.com/projects/jquery-hashchange-plugin/
 * 
 * Copyright (c) 2010 "Cowboy" Ben Alman
 * Dual licensed under the MIT and GPL licenses.
 * http://benalman.com/about/license/
 */
(function($,e,b){var c="hashchange",h=document,f,g=$.event.special,i=h.documentMode,d="on"+c in e&&(i===b||i>7);function a(j){j=j||location.href;return"#"+j.replace(/^[^#]*#?(.*)$/,"$1")}$.fn[c]=function(j){return j?this.bind(c,j):this.trigger(c)};$.fn[c].delay=50;g[c]=$.extend(g[c],{setup:function(){if(d){return false}$(f.start)},teardown:function(){if(d){return false}$(f.stop)}});f=(function(){var j={},p,m=a(),k=function(q){return q},l=k,o=k;j.start=function(){p||n()};j.stop=function(){p&&clearTimeout(p);p=b};function n(){var r=a(),q=o(m);if(r!==m){l(m=r,q);$(e).trigger(c)}else{if(q!==m){location.href=location.href.replace(/#.*/,"")+q}}p=setTimeout(n,$.fn[c].delay)}$.browser.msie&&!d&&(function(){var q,r;j.start=function(){if(!q){r=$.fn[c].src;r=r&&r+a();q=$('<iframe tabindex="-1" title="empty"/>').hide().one("load",function(){r||l(a());n()}).attr("src",r||"javascript:0").insertAfter("body")[0].contentWindow;h.onpropertychange=function(){try{if(event.propertyName==="title"){q.document.title=h.title}}catch(s){}}}};j.stop=k;o=function(){return a(q.location.href)};l=function(v,s){var u=q.document,t=$.fn[c].domain;if(v!==s){u.title=h.title;u.open();t&&u.write('<script>document.domain="'+t+'"<\/script>');u.close();q.location.hash=v}}})();return j})()})(jQuery,this);

jQuery(function ($) {
    var csrf_token = $('meta[name=csrf-token]').attr('content'),
        csrf_param = $('meta[name=csrf-param]').attr('content');

    $.fn.extend({
        /**
         * Triggers a custom event on an element and returns the event result
         * this is used to get around not being able to ensure callbacks are placed
         * at the end of the chain.
         *
         * TODO: deprecate with jQuery 1.4.2 release, in favor of subscribing to our
         *       own events and placing ourselves at the end of the chain.
         */
        triggerAndReturn: function (name, data) {
            var event = new $.Event(name);
            this.trigger(event, data);

            return event.result !== false;
        },

        /**
         * Handles execution of remote calls firing overridable events along the way
         */
        callRemote: function () {
            var el      = this,
                method  = el.attr('method') || el.attr('data-method') || 'GET',
                url     = el.attr('action') || el.attr('href'),
                dataType  = el.attr('data-type')  || 'script';

            if (url === undefined) {
              throw "No URL specified for remote call (action or href must be present).";
            } else {
                if (el.triggerAndReturn('ajax:before')) {
                    var data = el.is('form') ? el.serializeArray() : [];
                    $.ajax({
                        url: url,
                        data: data,
                        dataType: dataType,
                        type: method.toUpperCase(),
                        beforeSend: function (xhr) {
                            el.trigger('ajax:loading', xhr);
                        },
                        success: function (data, status, xhr) {
                            el.trigger('ajax:success', [data, status, xhr]);
                        },
                        complete: function (xhr) {
                            el.trigger('ajax:complete', xhr);
                        },
                        error: function (xhr, status, error) {
                            el.trigger('ajax:failure', [xhr, status, error]);
                        }
                    });
                }

                el.trigger('ajax:after');
            }
        }
    });

    /**
     *  confirmation handler
     */
    $('a[data-confirm],input[data-confirm]').live('click', function () {
        var el = $(this);
        if (el.triggerAndReturn('confirm')) {
            if (!confirm(el.attr('data-confirm'))) {
                return false;
            }
        }
    });


    /**
     * remote handlers
     */
    $('form[data-remote]').live('submit', function (e) {
        $(this).callRemote();
        e.preventDefault();
    });

    $('a[data-remote],input[data-remote]').live('click', function (e) {
        $(this).callRemote();
        e.preventDefault();
    });

    $('a[data-method]:not([data-remote])').live('click', function (e){
        var link = $(this),
            href = link.attr('href'),
            method = link.attr('data-method'),
            form = $('<form method="post" action="'+href+'"></form>'),
            metadata_input = '<input name="_method" value="'+method+'" type="hidden" />';

        if (csrf_param != null && csrf_token != null) {
          metadata_input += '<input name="'+csrf_param+'" value="'+csrf_token+'" type="hidden" />';
        }

        form.hide()
            .append(metadata_input)
            .appendTo('body');

        e.preventDefault();
        form.submit();
    });

    /**
     * disable-with handlers
     */
    var disable_with_input_selector = 'input[data-disable-with]';
    var disable_with_form_selector = 'form[data-remote]:has(' + disable_with_input_selector + ')';

    $(disable_with_form_selector).live('ajax:before', function () {
        $(this).find(disable_with_input_selector).each(function () {
            var input = $(this);
            input.data('enable-with', input.val())
                 .attr('value', input.attr('data-disable-with'))
                 .attr('disabled', 'disabled');
        });
    });

    $(disable_with_form_selector).live('ajax:complete', function () {
        $(this).find(disable_with_input_selector).each(function () {
            var input = $(this);
            input.removeAttr('disabled')
                 .val(input.data('enable-with'));
        });
    });
});


$(function() {
  // setup the top nav
  var expand = function() {
    $(this)
      .animate({ width: $(this).data('selectedWidth') }, 'fast')
      .parent().siblings().find('a')
        .each(function() {
          if ($(this).data('startWidth'))
            $(this)
              .clearQueue()
              .animate({ width: $(this).data('startWidth') }, 'fast');
        });
  };

  $('#nav li a')
    .each(function() {
      var w = $(this).width();
      $(this).data({ 'startWidth': w, 'selectedWidth': w + 50 });
    })
    .wrapInner('<span>')
    .mouseenter(expand)
    .click(function() {
      $('#nav li a.selected').removeClass('selected');
      $(this).addClass('selected');
    })
    .filter('a[href=' + window.location.pathname + ']')
      .addClass('selected')
      .css('width', function() { return $(this).data('selectedWidth'); });
  $('#nav').mouseleave(function() { expand.apply($('#nav li a.selected')); });
  expand.apply($('#nav li a.selected'));

  // focus first form elements
  $('#page form :text:first').focus();

  // setup hrefs from ids
  $('a.thumb')
    .each(function() { $(this).data('flickr', $(this).attr('href')); })
    .attr('href', function() { return '#t' + $(this).attr('id'); });
  $('body.index-index a.thumb').data('flickr', '/portfolio');

  var loadPortrait = function(link) {
    if ($(link).length == 0) return;
    $('a.thumb.selected').removeClass('selected');
    var src = $(link)
      .addClass('selected')
      .find('img').attr('src').replace(/_s.jpg$/, '.jpg');
    var img = $('<img>')
      .load(function() {
        var portrait = $('#portrait'),
            rotation = 'rotate(' + ((Math.random() * 10)-5) + 'deg)';
        var top = $(window).scrollTop() + 50 - portrait.offset().top;
        if (top < 0) top = 0;

        portrait.find('img').fadeOut(5000, function() {
          $(this).parent('a').remove();
        });

        $(this)
          .hide()
          .appendTo(portrait)
          .wrap('<a href="' + $(link).data('flickr') + '">')
          .css({
            position: 'absolute',
            top: top + Math.random() * 50,
            left: (portrait.width() - $(this).width())/2,
            //filter: 'progid:DXImageTransform.Microsoft.Matrix(M11=0.70710678, M12=0.70710678, M21=-0.70710678, M22=0.70710678)',
            '-webkit-transform': rotation,
            '-moz-transform': rotation
          })
          .fadeIn('fast');
      })
      .attr('src', src);
  };

  var openSet = function(set) {
    var $set = $(set);

    if ($set.is('.open')) return;

    $set
      .toggleClass('open closed')
      .find('img').slice(1, 4)
        .css({
          '-webkit-transform': 'none',
          '-moz-transform': 'none'
        });

    $('ul.sets')
      .find('a.back').show().end()
      .find('.title')
        .text($('h4', set).text());

    $('.set.closed').hide();
  };

  var closeSet = function(set) {
    $('ul.sets')
      .find('a.back').hide().end()
      .find('.title')
        .text('Choose a set below');

    $(set).toggleClass('open closed')

    $('.set.closed')
      .each(function() {
        $('img', this).slice(1, 4).each(function() {
          var rotation = 'rotate(' + 10*((Math.random() * 2)-1) + 'deg)';
          $(this).css({
            '-webkit-transform': rotation,
            '-moz-transform': rotation
          });
        });
      })
      .show();
  };

  $(window)
    .hashchange(function() {
      if (location.hash.length > 2) {
        var thumb = $('a.thumb#' + window.location.hash.substring(2));
        openSet(thumb.closest('.set'));
        loadPortrait(thumb);
      } else {
        closeSet($('.set.open'));
        loadPortrait('a.thumb:first');
      }
    })
    .hashchange();
});